Descendant Of The Demon Saint (DMC Male Reader x Fire Emblem Three Houses

Dark Side of a Heroes' Relic

(Y/N) P.O.V

Byleth and I were in the audience chamber waiting for our new mission this month. Though I was mostly trying to avoid eye contact with Rhea since she probably knows about what I am. "I have a new mission for you, Professor. I would like for you to take your students into kingdom territory to eliminate some thieves." Rhea said.

"They stole a Hero's Relic from House Gautier of the Holy Kingdom of Faerghus- the Lance of Ruin. Their leader's name is Miklan. He is apparently a disowned son of House Gautier."

"why was he disowned?" Byleth asks.

"I believe it had something to do with his lack of a Crest. Such happenings  are fairly common in the Kingdom."  Seteth says.

"The Crestless cannot unleash the goddess's power, even if they possess a Relic. Nonetheless,  they are all capable of wielding those weapons." Rhea says.

"The Heroes' Relics are immensely powerful weapons. we must meet this threat with adequate force. Unfortunately, most of the Knights of Seiros are away from the monastery Purging the apostates of the Western Church." Seteth says. "So we are entrusting you with this mission. After all, you wield the Sword of the Creator, which is more than  capable of opposing any Relic."

"The Sword of the Creator is a powerful weapon, well beyond the other Relics. You have nothing to fear, especially now that your assistant has revealed his true power. However, to ensure that no harm comes to the students, we will also send the monastery's most skilled individuals to aid you." Rhea says looking at me halfway through.

"I must remind you that you are expected to conduct yourself in a manner befitting the wielder of that holy sword." seteth says. "Also, you should that professor Hanneman has been looking for you. That is all."

After a while, we met up with Edelgard. "Professor, I heard about our mission for this month. A thief with a Hero's Relic is worrisome, but with you at our side, I'm certain we can handle him." She says then continues. " After all, you have the Sword of the Creator. It was allegedly wielded by Nemesis, the King of Liberation. If the legends are true, you hold the power to stand against entire armies. A band of thieves should be nothing." Edelgard then tilts her head to the side before continuing. "Even the most elite Imperial forces or the Knights of Seiros could not hope to defeat you."

"It would never come to that," Byleth says.

"Is that so? Even if those forces were to hurt someone precious to you?" Edelgard asked then continued. " Can you say with full confidence that you would not" turn your sword on them if that were to happen? You know, Your power does not lie solely in the Sword of the Creator. You are stronger and more terrifying than you realize, Especially you (Y/N)." Edelgard waited a bit then said. "Professor... When we leave the monastery, will you still think of yourself as my teacher?"

"What do you mean?" Byleth asks.

"Never mind, I'm being thoughtless with my words. For now, let's focus on the problem at hand." Edelgard Says than looks at me. "I believe you owe us and everyone else in the Black Eagles an explanation."

"I need to go now, Bye," Byleth says then walks off before stopping and looking at me. "I expect you to tell us everything when I get back." After that, she continued to leave, probably to Hanneman's office.

"Shall we head to the classroom?" I asked Edelgard who simply nodded

Timeskip

I was now in the Black Eagles classroom with my house. "So I guess I owe you all an explanation, right? so ask away." I said while leaning against Byleth's desk in front of the class.